mitchellhansen/voxel-raycaster
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added small example video

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MitchellHansen
2016-09-23 21:36:10 -07:00
parent 1620f40d02
commit 582e37f540
3 changed files with 6 additions and 2 deletions
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6
kernels/ray_caster_kernel.cl
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@@ -13,6 +13,8 @@ float4 white_light(float4 input, float3 light, int3 mask) {
} }
__kernel void min_kern( __kernel void min_kern(
global char* map, global char* map,
global int3* map_dim, global int3* map_dim,
@@ -62,6 +64,8 @@ __kernel void min_kern(
// for all 3 axis XYZ. // for all 3 axis XYZ.
float3 intersection_t = delta_t * offset; float3 intersection_t = delta_t * offset;
// for negative values, wrap around the delta_t, rather not do this
// component wise, but it doesn't appear to want to work
if (intersection_t.x < 0) { if (intersection_t.x < 0) {
intersection_t.x += delta_t.x; intersection_t.x += delta_t.x;
} }
@@ -86,7 +90,7 @@ __kernel void min_kern(
do { do {
mask = intersection_t.xyz <= min(intersection_t.yzx, intersection_t.zxy); mask = intersection_t.xyz <= min(intersection_t.yzx, intersection_t.zxy);
float3 thing = delta_t * fabs(convert_float3(mask.xyz));
intersection_t += delta_t * fabs(convert_float3(mask.xyz)); intersection_t += delta_t * fabs(convert_float3(mask.xyz));
voxel.xyz += voxel_step.xyz * mask.xyz; voxel.xyz += voxel_step.xyz * mask.xyz;

2
src/Camera.cpp
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@@ -68,7 +68,7 @@ int Camera::update(double delta_time) {
// so vector multiplication broke? // so vector multiplication broke?
// have to do it component wise // have to do it component wise
double multiplier = 10; double multiplier = 40;
position.x += movement.x * delta_time * multiplier; position.x += movement.x * delta_time * multiplier;
position.y += movement.y * delta_time * multiplier; position.y += movement.y * delta_time * multiplier;